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Always explicitly check for divide by zero conditions.

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git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/kdesupport/taglib@335132 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
This commit is contained in:
Scott Wheeler
2004-08-02 12:51:14 +00:00
parent 650b561eda
commit ae2113e716
4 changed files with 9 additions and 12 deletions
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4
mpeg/mpegproperties.cpp
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@ -190,9 +190,9 @@ void MPEG::Properties::read()
static const int blockSize[] = { 0, 384, 1152, 1152 };
double timePerFrame = blockSize[firstHeader.layer()];
timePerFrame = timePerFrame / firstHeader.sampleRate();
timePerFrame = firstHeader.sampleRate() > 0 ? timePerFrame / firstHeader.sampleRate() : 0;
d->length = int(timePerFrame * xingHeader.totalFrames());
d->bitrate = d->length == 0 ? 0 : xingHeader.totalSize() * 8 / d->length / 1000;
d->bitrate = d->length > 0 ? xingHeader.totalSize() * 8 / d->length / 1000 : 0;
}
// Since there was no valid Xing header found, we hope that we're in a constant